/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.druid.k8s.overlord.common;

import io.fabric8.kubernetes.client.KubernetesClient;
import io.fabric8.kubernetes.client.dsl.LogWatch;

import java.io.IOException;
import java.io.InputStream;

/**
 * This wraps the InputStream for k8s client
 * When you call close on the stream, it will also close the open
 * http connections and the client
 */
public class LogWatchInputStream extends InputStream
{

  private final KubernetesClient client;
  private final LogWatch logWatch;

  public LogWatchInputStream(KubernetesClient client, LogWatch logWatch)
  {
    this.client = client;
    this.logWatch = logWatch;
  }

  @Override
  public int read() throws IOException
  {
    return logWatch.getOutput().read();
  }

  @Override
  public void close()
  {
    logWatch.close();
    client.close();
  }
}
